dead set

phrase

: firmly determined
The mayor was dead set against[=strongly opposed to] the plan.
She was dead set on[=completely certain about] going to college.

Examples of dead set in a Sentence

Recent Examples on the Web
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The Offspring are dead set on making history — in a rather unusual way. Maya Georgi, Rolling Stone, 2 July 2026

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“Dead set.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dead%20set. Accessed 9 Jul. 2026.

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